Replace deprecated ioutil pkg with os & io

As of Go 1.16, the same functionality is now provided by package io or
package os, and those implementations should be preferred in new code.

So replacing all usage of ioutil pkg with io & os.

database/sqlcipher/sqlcipher.go

@@ -3,13 +3,13 @@ package sqlcipher
 import (
 	"database/sql"
 	"fmt"
-	"go.uber.org/atomic"
 	"io"
-	"io/ioutil"
 	nurl "net/url"
 	"strconv"
 	"strings"
 
+	"go.uber.org/atomic"
+
 	"github.com/golang-migrate/migrate/v4"
 	"github.com/golang-migrate/migrate/v4/database"
 	"github.com/hashicorp/go-multierror"
@@ -192,7 +192,7 @@ func (m *Sqlite) Unlock() error {
 }
 
 func (m *Sqlite) Run(migration io.Reader) error {
-	migr, err := ioutil.ReadAll(migration)
+	migr, err := io.ReadAll(migration)
 	if err != nil {
 		return err
 	}